Excel Sudoku Solver Code

13 comments Sanjay, my colleague is an avid programmer and excel enthusiast. In his spare time he wrote a small VBA macro to solve. Sudoku is a very famous number based puzzle with a 9×9 grid of cells. Each of the 9 rows, columns and 3×3 blocks should be filled in such a way that they have all the numbers from 1 to 9. Free marble hatch pattern for autocad. Sudoku is a very effective way to keep your brain cells ticking. I am a huge sudoku fan and I solve sudoku whenever I have few minutes to kill. So naturally I jumped with joy when I saw Sanjay’s excel macro for solving sudoku.

He is kind enough to let me share this with all of you. It has macros, so enable them when you download the file. The file is unlocked, so if you are curious, go around and poke the code. And if you are interested in writing your own sudoku solver, here is a basic algorithm: • While Sudoku is not solved, • Check if any row, column or 3×3 block has ‘n’ cells such that, (n>1) • All possible values in those ‘n’ cells are exactly ‘n’ unique values • For each block of such cells, • Remove the occurrences of the ‘n’ unique values from remaining cell’s possible’s list in that row / column / 3×3 grid • Check if any cell has more than one possible value. If so, Sudoku is not solved. • Do While More Excel Games and Puzzles • • •. Dear Arnold, Assuming knowing the rules to form a given Sudoku and fully completed, there are a multitude of grids with the same relations that is to say: - Permutations digit numbers - Rotations per group of columns or rows - But also rotations in groups applying these principles to a bank of model grid it is possible to generate and print indefinitely differents grids for pleasure always renewed.

This is the snippet Create or Solve Sudoku Puzzles in Excel on FreeVBCode. The FreeVBCode site provides free Visual Basic code, examples, snippets,. Matt Quinn sent along this version of a sudoku solver, which is also a logic-only solver, and has a hints feature and a load of other buttons. It's a more muscular program than mine, for sure, more code, faster solve, more complete logic.

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That's what I have done: - I don't create any of the original model grids, nor the soluce proc - the worksheet is protected with blank Print and Enjoy!!!